Submission #78659

# Submission time Handle Problem Language Result Execution time Memory
78659 2018-10-06T21:25:45 Z duality Cake (CEOI14_cake) C++11
0 / 100
2000 ms 17684 KB
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int d[250000];
set<pii,greater<pii> > S;
int tree[1 << 19];
int build(int s,int e,int i) {
    if (s == e) {
        tree[i] = d[s];
        return tree[i];
    }

    int mid = (s+e) / 2;
    tree[i] = max(build(s,mid,2*i+1),build(mid+1,e,2*i+2));
    return tree[i];
}
int update(int s,int e,int ai,int i,int num) {
    if ((s > ai) || (e < ai)) return tree[i];
    else if (s == e) {
        tree[i] = d[s] = num;
        return tree[i];
    }

    int mid = (s+e) / 2;
    tree[i] = max(update(s,mid,ai,2*i+1,num),update(mid+1,e,ai,2*i+2,num));
    return tree[i];
}
int query(int s,int e,int qs,int qe,int i) {
    if ((s > qe) || (e < qs)) return 0;
    else if ((s >= qs) && (e <= qe)) return tree[i];

    int mid = (s+e) / 2;
    return max(query(s,mid,qs,qe,2*i+1),query(mid+1,e,qs,qe,2*i+2));
}
int main() {
    int i,j;
    int N,Q,a;
    char c;
    int p,e,b;
    scanf("%d %d",&N,&a),a--;
    for (i = 0; i < N; i++) scanf("%d",&d[i]),S.insert(mp(d[i],i));
    scanf("%d",&Q);
    build(0,N-1,0);
    for (i = 0; i < Q; i++) {
        scanf(" %c",&c);
        if (c == 'E') {
            scanf("%d %d",&p,&e),p--;
            vpii v;
            for (j = 0; j < e-1; j++) v.pb(*S.begin()),S.erase(S.begin());
            S.erase(mp(d[p],p));
            update(0,N-1,p,0,(e == 1) ? N+i+1:v.back().first);
            S.insert(mp(d[p],p));
            for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),S.insert(mp(v[j].first+1,v[j].second));
        }
        else {
            scanf("%d",&b),b--;
            if (a == b) printf("0\n");
            else if (a < b) {
                int x = query(0,N-1,a,b,0);
                int l = 0,r = a;
                while (l < r) {
                    int m = (l+r) / 2;
                    if (query(0,N-1,m,b,0) <= x) r = m;
                    else l = m+1;
                }
                printf("%d\n",b-l);
            }
            else {
                int x = query(0,N-1,b,a,0);
                int l = a,r = N-1;
                while (l < r) {
                    int m = (l+r+1) / 2;
                    if (query(0,N-1,b,m,0) <= x) l = m;
                    else r = m-1;
                }
                printf("%d\n",l-b);
            }
        }
    }

    return 0;
}

Compilation message

cake.cpp: In function 'int main()':
cake.cpp:107:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),S.insert(mp(v[j].first+1,v[j].second));
                         ~~^~~~~~~~~~
cake.cpp:94:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&a),a--;
     ~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:95:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < N; i++) scanf("%d",&d[i]),S.insert(mp(d[i],i));
                             ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
cake.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&Q);
     ~~~~~^~~~~~~~~
cake.cpp:99:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c",&c);
         ~~~~~^~~~~~~~~~
cake.cpp:101:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d",&p,&e),p--;
             ~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:110:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&b),b--;
             ~~~~~~~~~~~~~~^~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 380 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 795 ms 1616 KB Output is correct
2 Incorrect 428 ms 1660 KB Output isn't correct
3 Correct 478 ms 1660 KB Output is correct
4 Correct 262 ms 1660 KB Output is correct
5 Correct 866 ms 2592 KB Output is correct
6 Incorrect 710 ms 2612 KB Output isn't correct
7 Correct 565 ms 2636 KB Output is correct
8 Correct 343 ms 2760 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 562 ms 7960 KB Output is correct
2 Incorrect 453 ms 7960 KB Output isn't correct
3 Incorrect 454 ms 8168 KB Output isn't correct
4 Incorrect 2 ms 8168 KB Output isn't correct
5 Correct 787 ms 16796 KB Output is correct
6 Correct 741 ms 16796 KB Output is correct
7 Incorrect 546 ms 16796 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 122 ms 16796 KB Output isn't correct
2 Incorrect 113 ms 16796 KB Output isn't correct
3 Incorrect 294 ms 16796 KB Output isn't correct
4 Incorrect 323 ms 16796 KB Output isn't correct
5 Incorrect 344 ms 16796 KB Output isn't correct
6 Incorrect 626 ms 16796 KB Output isn't correct
7 Incorrect 473 ms 16796 KB Output isn't correct
8 Correct 393 ms 16796 KB Output is correct
9 Execution timed out 2066 ms 17660 KB Time limit exceeded
10 Incorrect 1121 ms 17660 KB Output isn't correct
11 Incorrect 1639 ms 17660 KB Output isn't correct
12 Execution timed out 2064 ms 17660 KB Time limit exceeded
13 Execution timed out 2064 ms 17684 KB Time limit exceeded